FixVault
Home › Hyundai › 2021 › Venue Denim › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (6 Of 6) › DTC P2251-00: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1) › DTC Information And Inspection › DTC Description

DTC Description

The ECM monitors O2 Sensor (Up) Reference Ground circuit and sets DTC P225100 if an O2 Sensor (Up) sensor signal indicates to be stuck.

About FixVault